Arteriovenous Fistula

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Arteriovenous fistula An arteriovenous (AV) fistula is an abnormal connection between an artery and a vein. Normally, blood flows from your arteries to your capillaries to your veins. Nutrients and oxygen in your blood travel from your capillaries to tissues in your body.With an arteriovenous fistula, blood flows directly from an artery into a vein, bypassing some capillaries. When this happens,tissuesbelow the bypassed capillaries receive a diminished blood supply.

An arteriovenous fistula in your lungs (pulmonary arteriovenous fistula) is a serious condition and can cause:• Blueness of theskin• Clubbing of fingers • Coughing upblood. causes: An arteriovenous fistula may develop as a complication of a procedure called cardiac catheterization., there is a chance to develop an arteriovenous fistula after Injuries that pierce the skin, Being born with an arteriovenous fistula, People who have late-stagekidneyfailure may also have an arteriovenous fistula.

Treatments and drugs:• Ultrasound-guided compression • Catheter embolization a catheter is inserted in an artery near the site of your arteriovenous fistula, doctor use X-ray and other imaging techniques to guide the catheter to your fistula, and a small coil or stent is placed at the site of your fistula to reroute your blood flow

• Surgery Large arteriovenous fistulas that can't be treated with catheter embolization may require surgery.